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Note 8 - Goodwill (Tables) | 12 Months Ended
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Dec. 31, 2012
Schedule of Goodwill [Table Text Block] |
Balance at January 1, 2011 and 2010 |  | $ | 114,745 |
Additional goodwill related to 2011 acquisitions |  |  | 6,305 |
Goodwill impairment in 2011 |  |  | (67,000 | )
Balance at December 31, 2011 |  |  | 54,050 |
Additional goodwill related to acquisitions |  |  | 360 |
Goodwill adjustments |  |  | 410 |
Balance at December 31, 2012 |  | $ | 54,820 |

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- Definition No authoritative reference available. + References No definition available. + Details
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